NCS000311_Monitoring Data_20200401

SUMMARY OF LAB RESULTS FROM STORMWATER ANALYTICAL MONITORING*
OUTFALL NUMBER AND DESIGNATION
Parameter Sampled
Units
A-1 Between Tank
Room and
Maintenance
A-2
West of MH
A-3
West of
Contractor Shed
A-4
North
Behind MH
A-5
Omite/Waste
Pad
A-6
West of
Conventional
Nitrogen, Total
mg/L
<0.60 - 2.3
<0.60 - 3.1
<0.60 - 2.6
<0.60 - 6.7
<0.60 - 2.7**
<0.60 - 4.7
Nitrate + Nitrite (NO3 + NO2)
mg/L
<0.10 - 0.90
0.10 - 1.1
<0.10 - 1.0
<0.10 - 0.88
0.11 - 0.96
<0.10 - 1.1
Phosphorous, Total
mg/L
<0.05 - 0.12
<0.050 - 0.18
<0.050 - 0.22
<0.05 - 0.16
<0.050 - 0.32
<0.050 - 0.20
pH
standard
5.7-8.1
5.8-8.0
6.0-8.0
5.8-7.4
6.0-7.4
6.1-8.9
Total Rainfall
inches
0.11 - 2.83
0.11 - 2.83
0.11 - 2.83
0.11 - 2.83
0.11 - 2.83
0.11 - 2.83
* - Summary of the following Dates: 6/5/09, 11 /10/09, 12/2/09, 6/17/10, 5/27/11, 12/21 /11, 6/6/12, 1 /14/13, 5/23/13, 10/7/13, 3/7/14, 6/12/14, 3/7/14, 4/7/14, 5/15/14,
6/12/141 4/15/20151 11 /2/2015, 10/7/161 4/3/171 8/31 /17, 2/7/181 11 /30/18 & 6/7/19
Minimum to maximum values during monitoring period.
** - On 10/7/16 a total Nitrogen of 520 mg/L was measured. I left this out of summary table, because it is believed to be annomoly due to contamination based on Tier
observations made on 10/21 /2016.